MasterPro A5859 Engine Mount - Front Right

Front Right Hydraulic Engine Mount

MasterPro A5859 is a standard replacement hydraulic engine mount for the front right position. It is built with a steel mount body, black housing, rubber bushing material, and an integrated heat shield to support OE-style fitment and function on select Cadillac applications.

Key Features

• Hydraulic engine mount for smoother engine support
• Front right mounting position
• Steel mount construction with black housing
• Rubber bushing material with black bushing color
• Heat shield included
• OEM replacement mount type
• Meets or exceeds original equipment manufacturer specifications
• Per vehicle quantity: 1
• Part number: A5859

Detailed Description

MasterPro A5859 is an OE replacement engine mount engineered for the front right side of the engine cradle. The hydraulic design helps isolate vibration while the steel construction and rubber bushing provide the support expected in a standard replacement mount. This part cross-references General Motors 25971089 for the same application. It is a direct-fit service part for 2005-2011 Cadillac STS, front right, and 2004-2009 Cadillac SRX, front right. Use A5859 when replacing a worn mount on Cadillac STS or Cadillac SRX models that require the front right engine mount configuration.

Common Problems This Part Can Address

• Excessive engine vibration felt in the cabin
• Clunking or shifting during acceleration and deceleration
• Engine movement caused by a worn or collapsed mount
• Noise from deteriorated rubber or hydraulic mount internals
• Improper engine support at the front right mounting point

Installation Notes and Tips

Verify the front right position before installation and confirm vehicle fitment by year, make, and model. This mount does not include mounting hardware, mounting bracket, or instructions. Inspect adjacent mounts and related components for wear before reassembly, and replace only with the correct per-vehicle quantity of one. For Cadillac STS and Cadillac SRX applications, compare the removed part to A5859 and confirm the OE reference before installation.

Quality Assurance

MasterPro A5859 is listed as meeting or exceeding original equipment manufacturer specifications and is intended as a standard replacement engine mount for the specified Cadillac applications. The hydraulic design, steel mount construction, and OE replacement mount type support consistent service-part fitment for front right engine mount replacement.